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隔行變色——js和jQuery對比

 

Jquery方法

<head>
    <title></title>
    <script src="jquery-1.4.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
           
$('.table1 tr:even').css("backgroundColor", "yellow");
        });
    </script>

</head>
<body>
    <table >
        <tr>
            <td>
                喜洋洋
            </td>
        </tr>
        <tr>
            <td>
                喜洋洋
            </td>
        </tr>
        <tr>
            <td>
                喜洋洋
            </td>
        </tr>
        <tr>
            <td>
                喜洋洋
            </td>
        </tr>
        <tr>
            <td>
                喜洋洋
            </td>
        </tr>
    </table>
</body>

 

Js操作

<script type="text/javascript">
        function ChangeColor() {
            var table = document.getElementById("table1");
            var trs = table.getElementsByTagName("tr");
            for (var i = 0; i < trs.length; i++) {
                if (i % 2 == 0) {
                    trs[i].style.backgroundColor = "yellow";
                }
            }
        }
    </script>

最後更新:2017-04-02 22:16:26

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